From owner-freebsd-net  Thu Jun 28 12:19:15 2001
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To: Hajimu UMEMOTO <ume@mahoroba.org>
Cc: freebsd-net@FreeBSD.ORG
Subject: Re: Odd IPv6 behavior when not connected to IPv6 net 
In-reply-to: Your message of "Fri, 29 Jun 2001 04:12:42 +0900."
             <20010629.041242.55441386.ume@mahoroba.org> 
Date: Thu, 28 Jun 2001 12:19:04 -0700
From: "Kevin Oberman" <oberman@es.net>
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> Date: Fri, 29 Jun 2001 04:12:42 +0900 (JST)
> From: Hajimu UMEMOTO <ume@mahoroba.org>
> Sender: owner-freebsd-net@FreeBSD.ORG
> 
> >>>>> On Thu, 28 Jun 2001 11:52:37 -0700
> >>>>> "Kevin Oberman" <oberman@es.net> said:
> 
> oberman> I run IPv6 on my laptop and my office system. As long as I have an
> oberman> IPv6 path between the systems, everything is fine. But, if there is no
> oberman> IPv6 link, packets to ANY IPv6 address simply go to loopback!
> > traceroute6 pak
> oberman> traceroute6 to pak.es.net (2001:400:0:11:200:f8ff:fe22:955) from fe80::1, 30 hops max, 12 byte packets
> oberman>  1  fe80::1  2.075 ms  0.148 ms  0.091 ms
> oberman> This is normally just annoying,
> 
> No!  I just tried it on my 4.3-RELEASE box which is configured as
> IPv4/IPv6 dual stack but no IPv6 link.  It end up with:
> 
> 	# ping6 www.kame.net
> 	ping6: UDP connect: No route to host
> 
> I suspect you have wrong IPv6 route installed.

I agree, but I have made no deliberate changes. I just install FreeBSD
with ipv6_enable="YES" in rc.config.
Internet6:
Destination        Gateway            Flags      Netif Expire
::                 localhost          UGRSc       lo0 =>
default            fe80::1%lo0        Uc          lo0
localhost          localhost          UH          lo0
::ffff:0.0.0.0     localhost          UGRSc       lo0
fe80::             localhost          UGRSc       lo0
fe80::%lo0         fe80::1%lo0        Uc          lo0
fe80::%wi0         link#7             UC          wi0
ff01::             localhost          U           lo0
ff02::             fe80::1%lo0        UCS         lo0
ff02::%lo0         fe80::1%lo0        UC          lo0
ff02::%wi0         link#7             UC          wi0

R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634

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